Index: modules/comment/comment.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.admin.inc,v
retrieving revision 1.22
diff -u -p -r1.22 comment.admin.inc
--- modules/comment/comment.admin.inc	25 May 2009 10:43:52 -0000	1.22
+++ modules/comment/comment.admin.inc	3 Jun 2009 20:32:16 -0000
@@ -66,19 +66,18 @@ function comment_admin_overview($type = 
     'operations' => array('data' => t('Operations')),
   );
 
-  $query = db_select('comment', 'c');
+  $query = db_select('comment', 'c')->extend('PagerDefault')->extend('TableSort');
   $query->join('users', 'u', 'u.uid = c.uid');
   $query->join('node', 'n', 'n.nid = c.nid');
   $query->addField('u', 'name', 'registered_name');
   $query->addField('n', 'title', 'node_title');
-  $query
+  $result = $query
     ->fields('c', array('subject', 'nid', 'cid', 'comment', 'timestamp', 'status', 'name', 'homepage'))
     ->fields('u', array('uid'))
     ->condition('c.status', $status)
-    ->extend('PagerDefault')->extend('TableSort')
     ->limit(50)
-    ->orderByHeader($header);
-  $result = $query->execute();
+    ->orderByHeader($header)
+    ->execute();
 
 
   // Build a table listing the appropriate comments.
Index: modules/dblog/dblog.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/dblog/dblog.admin.inc,v
retrieving revision 1.21
diff -u -p -r1.21 dblog.admin.inc
--- modules/dblog/dblog.admin.inc	2 Jun 2009 06:58:16 -0000	1.21
+++ modules/dblog/dblog.admin.inc	3 Jun 2009 20:32:20 -0000
@@ -51,7 +51,7 @@ function dblog_overview() {
   $build['dblog_clear_log_form'] = drupal_get_form('dblog_clear_log_form');
 
   $header = array(
-    ' ',
+    '', // Icon column.
     array('data' => t('Type'), 'field' => 'w.type'),
     array('data' => t('Date'), 'field' => 'w.wid', 'sort' => 'desc'),
     t('Message'),
@@ -59,26 +59,18 @@ function dblog_overview() {
     array('data' => t('Operations')),
   );
 
-  $query = db_select('watchdog', 'w');
+  $query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
   $query->join('users', 'u', 'w.uid = u.uid');
   $query
     ->fields('w', array('wid', 'uid', 'severity', 'type', 'timestamp', 'message', 'variables', 'link'))
     ->addField('u', 'name');
   if (!empty($filter['where'])) {
-    $query
-      ->where($filter['where'], $filter['args'])
-      ->extend('PagerDefault')->extend('TableSort')
-      ->limit(50, 0)
-      ->orderByHeader($header);
-    $result = $query->execute();
-  }
-  else {
-    $query
-      ->extend('PagerDefault')->extend('TableSort')
-      ->limit(50)
-      ->orderByHeader($header);
-    $result = $query->execute();
+    $query->where($filter['where'], $filter['args']);
   }
+  $result = $query
+    ->limit(50)
+    ->orderByHeader($header)
+    ->execute();
 
   foreach ($result as $dblog) {
     $rows[] = array('data' =>
@@ -120,16 +112,15 @@ function dblog_top($type) {
   $count_query->addExpression('COUNT(DISTINCT(message))');
   $count_query->condition('type', $type);
 
-  $query = db_select('watchdog', 'w');
+  $query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
   $query->addExpression('COUNT(wid)', 'count');
   $query = $query
     ->fields('w', array('message', 'variables'))
     ->condition('w.type', $type)
     ->groupBy('message')
     ->groupBy('variables')
-    ->extend('PagerDefault')->extend('TableSort')
-    ->limit(30);
-  $query = $query->orderByHeader($header);
+    ->limit(30)
+    ->orderByHeader($header);
   $query->setCountQuery($count_query);
   $result = $query->execute();
 
Index: modules/poll/poll.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/poll/poll.pages.inc,v
retrieving revision 1.18
diff -u -p -r1.18 poll.pages.inc
--- modules/poll/poll.pages.inc	27 May 2009 19:25:16 -0000	1.18
+++ modules/poll/poll.pages.inc	3 Jun 2009 20:32:54 -0000
@@ -58,19 +58,17 @@ function poll_votes($node) {
   $header[] = array('data' => t('Vote'), 'field' => 'pc.chtext');
   $header[] = array('data' => t('Timestamp'), 'field' => 'pv.timestamp', 'sort' => 'desc');
 
-  $select = db_select('poll_vote', 'pv');
+  $select = db_select('poll_vote', 'pv')->extend('PagerDefault')->extend('TableSort');
   $select->join('poll_choice', 'pc', 'pv.chid = pc.chid');
   $select->join('users', 'u', 'pv.uid = u.uid');
-  $queried_votes = $select->fields('pv', array('chid', 'uid', 'hostname', 'timestamp', 'nid'))
+  $queried_votes = $select
+    ->fields('pv', array('chid', 'uid', 'hostname', 'timestamp', 'nid'))
     ->fields('pc', array('chtext'))
     ->fields('u', array('name'))
     ->condition('pv.nid', $node->nid)
-    ->extend('PagerDefault')
     ->limit($votes_per_page)
-    ->extend('TableSort')
     ->orderByHeader($header)
-    ->execute()
-    ->fetchAllAssoc('hostname');
+    ->execute();
 
   $rows = array();
   foreach ($queried_votes as $vote) {